Wong Lee used 1,200 direct labor hours at an average wage rate of $8.70 to manufacture products that should have used 1,300 direct labor hours at an average wage rate of $8.50 per hour. What are the labor variances? The variable overhead rate is $5 per direct labor hour; 31,000 direct labor hours were used to produce 7,500 units of product. The standard is 4 direct labor hours per unit. Actual, variable overhead cost was $153,000. Determine the variable overhead variances